Mix #1 Back Catalog number: 50301 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 4PM120 2,3',4,5,5'-Pentachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request C17395500 n-Tetracontane, certified, 0.1g Price on request 30031 EPA Method 525 - Internal Standard Price on request